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War Surgery and Medicine

Adult Mosquitoes

Adult Mosquitoes

The destruction of mosquitoes in tents, huts, etc., has always been recognised as a valuable measure of malaria control. At the beginning a kerosene pyrethrum fly spray was used and was effective, but supplies were rarely adequate and the flit guns supplied were far too flimsy for service conditions. Later American freon pyrethrum aerosol bombs became available, and these were most effective and economical in space and weight.

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The full benefit of these sprays was not usually obtained under service conditions as huts and tents were not screened and in many cases had open sides. Under such circumstances the vapour was soon dissipated by wind and there was nothing to prevent a fresh influx of mosquitoes.